Additional videos to watch before Lecture 2:
Interactive scale of the Universe: http://htwins.net/scale2/
1) Scale of the Universe video: https://www.youtube.com/watch?v=nxs5wye0JXs
2) Star sizes video: https://www.youtube.com/watch?v=kBkNhMfrxuk
3) Asteroid discovery video: https://youtu.be/BKKg4lZ_o-Y
4) The most astounding fact video: https://youtu.be/9D05ej8u-gU
5) Why is the milk gone video: https://youtu.be/KjeKiIa7XEk
6) You are here video: https://youtu.be/jaJ-xDLB_C8

This is the first video I have recorded in quite some time. I apologize for the excess "uhm" and "uhh" sounds. Those should be worked out in time!